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Finding the Third Proportional to 750,760 and 1,619,619

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Solution

The third proportional to 750,760 and 1,619,619 is: 3,494,013.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,760 : 1,619,619 = 1,619,619 : x
  2. Step 2: Convert to fraction form
    750,760/1,619,619 = 1,619,619/x
  3. Step 3: Cross multiply
    750,760x = 1,619,619 × 1,619,619
  4. Step 4: Simplify right side
    750,760x = 2,623,165,705,161
  5. Step 5: Solve for x
    x = 2,623,165,705,161/750,760
  6. Step 6: Final answer
    x = 3,494,013.67

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.